Tetrahydrofuran
Sunan Ingilishi: THF; oxolane; Butane, alpha, delta-oxide; Cyclotetramethylene oxide; Diethylene oxide; Furan, tetrahydro-; Furanidine; 1, 2, 3, 4 - tetrahydro - 9 h - fluoren - 9 - daya
CAS ba. : 109-99-9
EINECS no. Saukewa: 203-726-8
Tsarin kwayoyin halitta: C4H8O
Nauyin kwayoyin halitta: 184.2338
InChi: InChI = 1 / C13H12O/c14-13-11-7-13-11-7-9 (11) 10-6-2-10-6-2 (10) 13 / h1, 3, 5, 7 H , 2,4,6,8 H2
Tsarin kwayoyin halitta: Tetrahydrofuran 109-99-9
Girma: 1.17 g/cm3
Matsayin narkewa: 108.4 ℃
Tushen tafasa: 343.2°C a 760 mmHg
Yanayin zafin jiki: 150.7 ° C
Ruwa mai narkewa: m
Matsin lamba: 7.15E-05mmHg a 25°C
Kaddarorin jiki da sinadarai:
Hali marar launi m ruwa, da ether wari.
A tafasar batu na 67 ℃
Daskarewa - 108 ℃
Dangantaka mai yawa 0.985
Ma'anar refractive na 1.4050
Filashin wuta - 17 ℃
Solubility ne miscible da ruwa, barasa, ketone, benzene, ester, ether, hydrocarbon.
Amfanin Samfur:
An yi amfani da shi azaman ƙarfi da ɗanyen abu don haɓakar kwayoyin halitta

Tetrahydrofuran, taƙaice THF, shi ne heterocyclic kwayoyin fili. Yana cikin rukunin ether kuma shine cikakken samfurin hydrogenation na fili mai kamshi. Tetrahydrofuran shine ɗayan ether mafi ƙarfi. Ana amfani da shi azaman matsakaicin iyakacin duniya ƙarfi a cikin sinadaran dauki da kuma hakar. Ruwa ne mara launi a zafin jiki kuma yana da irin wannan wari zuwa diethyl ether. Mai narkewa a cikin ruwa, ethanol, ether, acetone, Chemicalbook benzene da sauran kaushi na kwayoyin halitta, wanda aka sani da "ƙaunar duniya". Yana iya zama ɗan ɓarna da ruwa a cikin ɗaki, wanda shine dalilin da ya sa wasu masu sayar da reagent ba bisa ka'ida ba suna samun riba mai yawa ta hanyar haɗa reagent tetrahydrofuran da ruwa. Tun da THF yana kula da samar da peroxides a cikin ajiya, ana ƙara BHT antioxidant gabaɗaya zuwa samfuran masana'antu. Abun cikin ruwa bai wuce 0.2% ba. Yana da halaye na ƙananan ƙwayar cuta, ƙarancin tafasa da kuma ruwa mai kyau.
A halin yanzu, manyan masu samar da tetrahydrofuran na cikin gida sun hada da BASF China, Dalian Yizheng (DCJ), Shanxi Sanwei, Sinochem International, da Petrochina Qianguo Refinery, da dai sauransu, da wasu shuke-shuke na PBT kuma suna samar da wani ɓangare na samfurori. Lissafin tallace-tallace na masana'antu na LyondellBasell a cikin Amurka da Turai sune: tsarki 99.90% Chemicalbook, chroma (APHA) 10, danshi 0.03%, THF hydroperoxide 0.005%, duka ƙazanta 0.05%, da kuma mai hana iskar shaka 0.0.03% 5% A cikin masana'antar polyurethane, mafi mahimmancin amfani shine a matsayin kayan aiki na monomer don polytetrahydrofuranediol (PTMEG), wanda kuma shine ɗayan manyan amfani da THF.

Babban amfani:
Babban manufar
1. A albarkatun kasa na kira na polyurethane fiber tetrahydrofuran iya zama polycondensation (cationic qaddamar da zobe-bude repolymerization) a cikin polytetramethylene ether diol (PTMEG), kuma aka sani da tetrahydrofuran homopolyether. PTMEG da TOLUene diisocyanate (TDI) an sanya su cikin roba na musamman tare da juriya mai kyau, juriya mai, ƙarancin zafin jiki da ƙarfin ƙarfi. Block polyester polyester elastomer an shirya shi tare da dimethyl terephthalate da 1, 4-butanediol. Polyurethane elastic fibers (SPANDEX, SPANDEX), roba na musamman da wasu nau'i na musamman na musamman daga 2000 PTMEG da p-methylene bis (4-phenyl) diisocyanate (MDI). Mafi mahimmancin amfani da THF shine samar da PTMEG. Dangane da ƙididdigar ƙididdiga, fiye da 80% na THF a duniya ana amfani dashi don samar da PTMEG, yayin da PTMEG galibi ana amfani dashi don samar da fiber spandex na roba.
2. Tetrahydrofuran ne mai kyau ƙarfi da aka saba amfani da, musamman dace da narkar da PVC, polyvinylidene chloride da butaniline. An yi amfani da ko'ina a matsayin sauran ƙarfi ga surface shafi, anti-lalata shafi, bugu tawada, Magnetic tef da kuma fim shafi. Magnetic tef shafi, PVC surface shafi, Tsabtace PVC reactor, kau da PVC fim, cellophane shafi, roba bugu tawada, thermoplastic polyurethane shafi, sauran ƙarfi ga adhesives, yadu amfani da surface coatings, m coatings, tawada, extractants da roba fata surface karewa jamiái .
3. An yi amfani da shi azaman albarkatun ƙasa don haɗin gwiwar kwayoyin halitta irin su magunguna don samar da tetrahydrothiophene, 1.4-dichloroethane, 2.3-dichlorotetrahydrofuran, pentolactone, butyllactone da pyrrolidone, da dai sauransu. progesterone da wasu kwayoyin hormonal. Tetrahydrothiophenol, wanda aka samar ta hanyar maganin hydrogen sulfide, ana iya amfani da shi azaman wakili na wari (Ƙarin ganowa) a cikin iskar gas kuma shine babban ƙarfi a cikin masana'antar harhada magunguna.
4. Sauran amfani da chromatographic kaushi (gel permeation chromatography), amfani ga halitta gas dandano, acetylene hakar sauran ƙarfi, polymer kayan, kamar haske stabilizer. Tare da faffadan aikace-aikacen tetrahydrofuran, musamman saurin bunkasuwar masana'antar spandex a kasar Sin a cikin 'yan shekarun nan, bukatar PTMEG a kasar Sin tana karuwa kowace rana, kuma bukatar tetrahydrofuran ita ma tana nuna saurin ci gaba.